[
  {
    "comment": "1. introduction",
    "doc": {
      "a": "b",
      "c": {
        "d": "e",
        "f": "g"
      }
    },
    "patch": {
      "a": "z",
      "c": {
        "f": null
      }
    },
    "expected": {
      "a": "z",
      "c": {
        "d": "e"
      }
    },
    "merge": true
  },
  {
    "comment": "3. example",
    "doc": {
      "title": "Goodbye!",
      "author": {
        "givenName": "John",
        "familyName": "Doe"
      },
      "tags": [
        "example",
        "sample"
      ],
      "content": "This will be unchanged"
    },
    "patch": {
      "title": "Hello!",
      "phoneNumber": "+01-123-456-7890",
      "author": {
        "familyName": null
      },
      "tags": [
        "example"
      ]
    },
    "expected": {
      "title": "Hello!",
      "author": {
        "givenName": "John"
      },
      "tags": [
        "example"
      ],
      "content": "This will be unchanged",
      "phoneNumber": "+01-123-456-7890"
    },
    "merge": true
  },
  {
    "comment": "replacing non-object",
    "doc": {
      "title": "Goodbye!",
      "author": {
        "givenName": "John"
      },
      "tags": [
        "example",
        "sample"
      ],
      "content": "This will be unchanged"
    },
    "patch": {
      "tags": {
        "kind": "example"
      }
    },
    "expected": {
      "title": "Goodbye!",
      "author": {
        "givenName": "John"
      },
      "tags": {
        "kind": "example"
      },
      "content": "This will be unchanged"
    },
    "merge": true
  }
]